Parmak Magnum 12

Last updated: November 2, 2026

Parmak Magnum 12

A rugged, efficient battery charger for remote pastures and predator control, with a long lightning covered warranty.

  • 3.1 JOutput
  • 30 milesRated fence
  • BatteryPower
  • 13.5 kVPeak voltage
Check price at Amazon$133.08

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Up to three months between battery charges, per Parmak
  • Built in meter shows both fence and battery condition
  • Three year warranty that covers lightning damage
  • Weatherproof case can sit outdoors at the fence
Cons
  • Battery not included
  • Parmak does not say what load its joule rating is measured into

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.

Specifications

Model numberMAG12-UO
Output
PowerBattery
Output energy3.1 J
Rated fence length30 miles
Peak voltage13.5 kV
Low impedanceYes
Build
Battery12 V
Lightning coverYes
Warranty3 years

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